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| ROUTE LOG |
Line St: 0 - 0 US 52 SB: 4.8 - 4.8 SC 7: 0.5 - 5.3 SC 642: 0.2 - 5.5 I-526 (exit 17): 3.0 - 8.5 US 52 NB: 6.1 - 14.6 I-26 (exit 205): 2.4 - 17 Dorchester-Charleston Line: 6.0 - 23 SC 165: 0.4 - 23.4 US 17 ALT: 0.3 - 23.7 SC 173: 8.9 - 32.6 SC 27 SB: 1.5 - 34.1 SC 27 NB: 0.4 - 34.5 US 178: 2.8 - 37.3 US 15: 13.6 - 50.9 I-95 (exit 77): 2.1 - 53.0 Orangeburg-Dorchester Line: 6.5 - 59.5 US 21 NB: 6.3 - 65.8 US 21 SB: 0.2 - 66 Bamberg-Orangeburg Line: 2.5 - 68.5 SC 61: 2.1 - 70.6 SC 362: 9.1 - 79.7 US 301, US 601: 0.8 - 80.5 US 321, SC 70: 6.7 - 87.2 Barnwell-Bamberg Line: 4.5 - 91.7 US 78 Bus: 3.0 - 94.7 SC 304: 0.4 - 95.1 SC 3: 0.1 - 95.2 US 78 Bus: 0.2 - 95.4 SC 37: 6.4 - 101.8 SC 39 NB: 2.9 - 104.7 SC 39 SB: 0.3 - 105.0 Aiken-Barnwell Line: 3.1 - 108.1 SC 781: 0.1 - 108.2 SC 118, SC 302: 15.5 - 123.7 SC 4: 0.6 - 124.3 US 1 NB: 2.3 - 126.6 SC 19 SB: 0.1 - 126.7 SC 19 NB: 0.2 - 126.9 SC 421: 3.1 - 130.0 SC 118: 0.2 - 130.2 SC 191: 2.1 - 132.3 SC 126: 6.5 - 138.8 US 278 EB, SC 125: 1.6 - 140.4 SC 421: 0.2 - 140.6 US 25 NB, SC 121 NB: 1.5 - 142.1 GA STATE LINE: 0.7 - 142.8
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Creation: Appeared in late 1926 as an original US highway running generally the way it does now as an addition to SC 2 from Charleston to Dorchester, then assigned to SC 27 west to Aiken at Augusta, then assigned to SC 12 west to Georgia.
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State routes Augusta-Aiken-Charleston 1926 Official
US 78 takes over 1930 Official Adjustments: In 1928, SC 12 and SC 27 were dropped from US 78, but SC 2 for some reason was not. It is possible US 78 briefly used today's S-2-67 Anthony Dr in Bath and S-2-225 Dibble Rd west out of Aiken but definitely stopped doing so by 1928. In 1929, US 78 was removed from Levels Church Rd/Woodward Rd from Aiken to Montmorenci. In 1932, it appears US 78/SC 2 was removed from S-10-63 Owens Dr and Richardson Ave through Summerville and placed on more newly constructed US 78, Richardson Ave north of SC 64 (now US 17 ALT) became SC 61 (now S-18-65). Also in 1932, US 78 was removed from S-18-25 from Dorchester north to US 178 and today's US 178 east back to modern US 78. In 1933, US 78 was put on new alignment between today's SC 61 and Branchville leaving behind an extended SC 65 (now SC 61) to Farrells Crossroads; the driveable part of S-5-18 east of Farrells; abandoned causeway across the Edisto River; S-38-263 Bridge St to Branchville. In 1936, US 78 was removed from today's Piggly Wiggly Rd and S-10-39 Meeting St and placed on new constructed Rivers Ave to connect back to King St. Between 1943-47, US 78 was extended east 1 block from Columbus St to Spring St due to rerouting of US 17. In 1951, US 1-78 was given a new alignment to bypass Clearwater, Bath, and Gloverville leaving behind SC 421.
Between 1950-52, US 78 was removed from Hayne and put on US 1 Richland Ave into Aiken, then replaced US 78 ALT on Richland east out of town back to where Hayne meets it. Hayne St became S-2-3. Around 1957, US 1-78 was moved off the 5th St bridge over the Savannah River to Augusta onto its current alignment a little south. The old route is now US 1 CONN. Between 1963-67, US 78 was placed on its Blackville Bypass, leaving behind US 78 Business.
In 1968 or 1969, US 78's end was placed at Line St after US 17 was placed on the Crosstown Expwy and no longer directly connected with US 78 (though there were ramps to King St from US 17 SB which did not have US 78 shields). Improvements: Paved only from Augusta to Aiken and from today's US 178/S-18-25 jct to Charleston initially. In 1929, US 78 was paved from Aiken to Montmorenci. In 1930, US 78 was paved throughout Barnwell County. In 1932, US 78 was paved from Montmorenci to the Barnwell Line and from Bamberg west to the Barnwell Line. In 1933, US 78 was paved from Bamberg to Branchville. In 1935, US 78 was paved from St. George west to the Orangeburg Line. In 1936, US 78 was paved from Branchville to the Dorchester Line. The last segment of US 78 to be paved was St. George to US 178, which occurred in 1939. The first piece of US 78 to be 4-lane was in place in 1937: Durant Ave in N. Charleston south to the King St-Meeting St. split a little south of today's SC 7. In 1940 or 1941, US 78 was 4-laned out to the US 52 split near Goose Creek. The US 52-78 split near Goose Creek was turned into an interchange in 1942. US 78 was 4-laned between Augusta and Aiken in 1951. US 78 was 4-laned from I-95 to US 15 in 1981. US 78 was 4-laned in the Ladson area about 1983, and also between I-26 and Baptist College (now Charleston Southern Univ) US 78 was 4-laned continuous from the US 52 split to west of Ladson in the mid-late 90s. Maps in the mid-2010s showing US 78 multilaned from Ladson to Summerville are erroneous. US 78 was widened for about a mile east of US 321 by 2008. Comment: US 78 follows the first railroad in the U.S., connecting many towns along the way - Williston, Blackville, Bamberg, Branchville, St. George, and Summerville. US 78 is not that well traveled anymore because of all the towns. Other routes from Charleston to Augusta are faster, such as I-26/US 301/SC 4 or US 17/SC 64/641/125. Given that US 78 is a fairly direct line from Charleston to Augusta (and therefore Atlanta) it is a little surprising that it was never developed into a more usable through route. There is a posted US 78 TRUCK route in place by 1981: the SC 118 routing around the north of Aiken. A second US 78 TRUCK existed from the mid 90s until 2014 getting around the original 1926 bridge on King St crossing the railroad at the head of Rivers Ave. | |||||||||
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Page last modified 13 August 2017